Lab Desiccants and Drying Agents
Hygroscopic substances and drying agents for use in laboratory settings; drying agents are commonly used to keep other substances and samples dry, or to prevent moisture from forming on/in containers. Products include drying tubes, kits, etc.
Desiccants are typically chemicals or compounds that are hydroscopic (readily absorb moisture). Common desiccants include clays, silica gels, and calcium sulfate.
In the lab, desiccants are commonly used in desiccators and desiccator cabinets, with in-line air and gas drying columns, in absorption bulbs, U-tubes, glove boxes, sealed chambers, and wherever a dry environment is required. They are also used during transport, for storage, and maintaining materials and products ─ everything from clothing to electronics.
The moisture may come from a variety of sources:
- Water vapor in the air
- Moisture in packaging materials
- Moisture from permeation or leakage
Some desiccants contain an indicator or additive that produces a color change with moisture absorption. The indicator allows the user to see when the desiccant has absorbed its maximum amount of moisture and needs to be replaced or regenerated.
Some desiccants can be reused many times simply by heating them in an oven to allow moisture to evaporate. For indicating desiccants, one can also easily tell when the desiccant is again ready to use by the change back to the original color.
Desiccants may be available in a range of mesh or particle sizes. The Tyler Equivalent is a common type of mesh sizing and indicates the number of openings per linear inch of mesh. Common desiccant mesh sizes are 4, 8, and 10 to 12. Size 4 is typically used in gas phase applications; they are larger and less likely to break. Size 8 is smaller and can be more tightly packed.
Hach Company Desiccant Refill 1.5 lbs
Desiccant Refill-1 5 lbs-YellowDesiccant (bulk) for SD900 sampler 1 5 lbs
Electron Microscopy Sciences Silica Gel Packets 10 Gram, 2¾" x 3", 91.5 cubic inch Capacity
Silica Gel-Desiccant is a fast and extra moisture absorbing agent. Meets FDA specifications for food and drug product. Provides superior absorption. Remains dry at maximum saturation. Silica gel can absorb 15% of its weight in water vapor in two hours.
Dimensions: 2¾" x 3"
Capacity: 91.5 cubic inch
Apexbio Technology LLC DCC-2036 (Rebastinib) 1020172-07-9 5mg
DCC-2036 (Rebastinib CAS 1020172-07-9) is a synthetic small molecule that acts as a conformational control inhibitor of ABL1 kinase By binding simultaneously to the E282/R386 switch-control pocket and the Met318 ATP hinge region DCC-2036 promotes the inactive type II conformation of ABL1 It exhibits potent inhibition of wild-type ABL1 (IC50 0 8 nM) and retains activity against the gatekeeper mutant ABL1T315I (IC50 4 nM) DCC-2036 demonstrates non-ATP-competitive inhibition and suppresses the proliferation of Ba/F3 and K562 cells in vitro It also extends survival in mouse models engrafted with BCR-ABL1T315I leukemic cells indicating its utility in research on tyrosine kinase inhibitor resistance in leukemia
U.S. Pharmacopeia Desiccant, Small, 2 pouches
Desiccant, Small (2 pouches (approximate weight 44 grams, each)).
Perkin Elmer US LLC Desiccant Refills for PG-H2 Plus Generator
These desiccant refills are for the PG-H2 Plus Pure Gas Hydrogen Generator and are sufficient for three refills. Pure gas hydrogen generators employ the newest membrane technology available for the safe production of pure hydrogen gas. This patented design is ideal for operation with gas analyzers, as fuel gas for flame tools, or as a source for pure hydrogen in plasma chambers and other isolated environments. Electrolytic membrane technology is preferred over alternative hydrogen generating techniques because it is clean, requires less maintenance and there is no need to store chemicals to maintain operation. The generators offer silent operation and require only deionized or distilled water with no caustic solutions which can affect the purity of the hydrogen.
MITSUBISHI GAS CHEMICAL 20cc O2 and H2O Absorber
PHARMAKEEP KD-20, Packet, 4000 pcs/carton, >20 ml oxygen absorption capacity, >0.15 g moisture absorption capacity, 26 mm x 62 mm
Uline OXYGEN ABSORBING PACKTS 2000/C
Oxygen-Absorbing Packets - 300 ccPreserve freshness and extend the shelf life of packaged foods.Prevents mold and bacteria growth.Removes over 99.9% of oxygen from sealed, airtight packages.PROTECTS 100 CU. IN.FDA compliant.
Cole-Parmer Humidity Sponge, Regenerable; 3" X 3" bags, 40 bags/pk
Humidity sponges meet all drying requirements. One bag will retain 16% moisture in a container with a volume of two gallons (476 cu. in.) The sponges are non-toxic and are Class M3.5 cleanroom-compatible.